-> 前回からの続き 5. .concurrent属性 / .initiallyinactive属性 DispatchQueueはlabelとqosの他にattributesという属性をつけることができる。 .concurrentと.initiallyinactiveの二つがあり、どちらもキューではなくWork Itemを制御するものです。 A .concurrent 同じ同じキューの中で、Work Itemを同時処理させる属性。(結果は下A図) let anotherQueue = DispatchQueue(label: "com.ayakosayama.anotherQueue", qos: .utility, attributes: .concurrent) func attribuesTest(){ anotherQueue.async { for i in 0..<10{ pr
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